Langer's Sudoku Assistant

5
7
4
2
8
6
1
9
3
9
8
6
1
      3
   5   
       
      3
   5   
       
4
2
7
2
1
3
9
4
7
6
8
5
6
4
2
9
3
8
7
1
5
      3
   5   
       
9
      3
   5   
       
7
6
1
8
4
2
1
7
8
4
5
2
3
6
9
4
5
7
3
2
1
8
6
9
2
1
9
6
7
8
      3
   5   
       
      3
   5   
       
4
8
3
6
5
9
4
7
2
1

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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